Description

4,4'-Dibromobenzophenone is a high-purity, versatile brominated aromatic ketone of significant industrial importance. This compound serves as a critical synthetic intermediate and building block in advanced organic synthesis, valued for its reactivity and structural properties. It is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty polymer sectors seeking reliable, high-quality raw materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with complex aromatic structures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and other crop protection agents.
• Liquid Crystal & OLED Materials: Acts as a precursor in the manufacture of specialty chemicals for electronic displays and organic light-emitting diodes.
• Polymer & Resin Modifier: Employed to introduce bromine functionality into polymers, enhancing flame retardancy and other material properties.
• Organic Synthesis Reagent: A valuable reagent in cross-coupling reactions (e.g., Suzuki, Heck) and for introducing the benzophenone moiety into target molecules.
• UV Initiator & Photoactive Compound: Finds application in the formulation of photoinitiators for coatings, inks, and photoresists.

Basic Information

Product Name	4,4'-Dibromobenzophenone
CAS No.	3988-03-2
Molecular Formula	C13H8Br2O
Molecular Weight	340.01 g/mol
Synonyms	Bis(4-bromophenyl)methanone; 4,4'-Dibromobenzophenone; p,p'-Dibromobenzophenone; (4-Bromophenyl)(4-bromophenyl)methanone; 1,1'-(Carbonylbis(4,1-phenylene))bis(bromide); Benzophenone, 4,4'-dibromo-; NSC 406914
EINECS	223-632-4

Quality Control

Our 4,4'-Dibromobenzophenone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure it meets precise purity and identity specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	218 - 222 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.